(19)

(11)

EP 1 934 529 A2

(12)

(88) Date of publication A3: 28.06.2007 (43) Date of publication: 25.06.2008 Bulletin 2008/26 (21) Application number: 06814348.6 (22) Date of filing: 08.09.2006

(51) International Patent Classification (IPC):  F23R 3/14(2006.01) (86) International application number: PCT/US2006/035063 (87) International publication number: WO 2007/040909 (12.04.2007 Gazette 2007/15)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 30.09.2005 US 239375 (71) Applicant: SOLAR TURBINES INCORPORATED San Diego, California 92186-5376 (US)

(72) Inventors: ROGERS, Thomas, John, Chipman c/o CATERPILLAR INC. Intellectual Property Dep. Peoria, IL 61629-6490 (US) TWARDOCHLEB, Christopher, Z. c/o CATERPILLAR INC. Intellectual Property Dep. Peoria, IL 61629-6490 (US) WANG, Hongyu c/o CATERPILLAR INC. Intellectual Property Dep. Peoria, IL 61629-6490 (US) (74) Representative: Wagner, Karl H.  WAGNER & GEYER Patentanwälte Gewürzmühlstrasse 5 80538 München 80538 München (DE)